資料來源 : pyDict

碳酸鋇礦

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Witherite \With"er*ite\, n. [So called after Dr. W. Withering.]
   (Min.)
   Barium carbonate occurring in white or gray six-sided twin
   crystals, and also in columnar or granular masses.